试题详情
单项选择 适中0.65 引用3 组卷156
________ on ten years of observation and study, Professor Wang announced that everyone dreams every night,whether they realize it or not.
A.BasingB.Based
C.Been basedD.Having based
9-10高二下·辽宁本溪·阶段练习
知识点:be based on过去分词作状语 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!